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Cavity-enhanced single photon emission from site-controlled In(Ga)As quantum dots fabricated using nanoimprint lithography

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4879845· OSTI ID:22300152
; ;  [1]; ;  [2]
  1. Optoelectronics Research Centre, Tampere University of Technology, P.O. Box 692, FIN-33101 Tampere (Finland)
  2. P.N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow 119991 (Russian Federation)
We report on the emission dynamics of single In(Ga)As quantum dots formed in etched GaAs pits and integrated into micropillar cavities. The site-controlled quantum dots were fabricated by molecular beam epitaxy on nanoimprint lithography patterned GaAs(001) surfaces. Triggered single photon emission confirmed by photon autocorrelation measurements is demonstrated. Time-resolved photoluminescence experiments clearly show an effect of the cavity on the spontaneous emission rate of the quantum dot.
OSTI ID:
22300152
Journal Information:
Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 21 Vol. 104; ISSN APPLAB; ISSN 0003-6951
Country of Publication:
United States
Language:
English

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